Add setting for strict validation of accesscodes #502

Job	Run time
build-authr-service / Build	9s
build-accesscode-service / Build	21s
build-authn-service / Build	14s
build-conversion-service / Build	14s
build-gargantua / Build	36s
build-rbac-service / Build	27s
build-setting-service / Build	13s
build-user-service / Build	12s
	2m 26s

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